129 lines
4 KiB
Python
129 lines
4 KiB
Python
from django.conf import settings
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from django.core.cache import cache
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from django.core.paginator import Paginator
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from django.db.models import Count, F, Q, Sum
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from django.http import JsonResponse
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from django.shortcuts import get_object_or_404
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from django.urls import reverse
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from django.views import View
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from django.views.generic import DetailView, ListView, TemplateView
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from config.cache_durations import *
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from gallery.cache import cached_or_set
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from gallery.utils import build_canonical_url
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from ..models import Album, Photo, Redir
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class AlbumsList(ListView):
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"""
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Displays a paginated list of public albums.
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Queryset is cached per page for ALBUM_LIST_PAGE_DURATION.
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"""
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model = Album
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template_name = 'gallery/album_list.html'
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paginate_by = 30
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def get_queryset(self):
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page = self.request.GET.get('page', 1)
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key = f'album_list_queryset_page_{page}'
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return cached_or_set(
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key,
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ALBUM_LIST_PAGE_DURATION,
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lambda: (
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Album.objects.filter(is_public=True)
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.select_related('cover')
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.annotate(
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photo_count=Count('photos'),
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total_views=Sum('photos__views')
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)
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.order_by('-album_date')
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)
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)
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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page_obj = context.get('page_obj')
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canonical_url = build_canonical_url(
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self.request,
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reverse('gallery:albums_url'),
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params={'page': page_obj.number}
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)
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context.update({
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'canonical_url': canonical_url,
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})
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return context
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class AlbumDetail(DetailView):
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"""Shows a single album and its paginated photos."""
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model = Album
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template_name = 'gallery/album_detail.html'
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def get_object(self, queryset=None):
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# return get_object_or_404(Album, slug=self.kwargs.get('album_slug'))
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return get_object_or_404(Album, slug__iexact=self.kwargs.get('album_slug'))
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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# photos = self.object.photos.all().order_by('taken_at')
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photos = self.object.photos.all().select_related('album').order_by('taken_at')
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paginator = Paginator(photos, 30)
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page_obj = paginator.get_page(self.request.GET.get('page'))
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# Canonical_url
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canonical_url = build_canonical_url(
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self.request,
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self.object.get_absolute_url(),
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params={'page': page_obj.number}
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)
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context.update({
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'photos': page_obj.object_list,
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'page_obj': page_obj,
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'canonical_url': canonical_url,
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})
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return context
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class AlbumSearch(TemplateView):
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"""Search view for public albums by name, place or city."""
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template_name = "gallery/album_search.html"
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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query = self.request.GET.get('q', '').strip()
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context['query'] = query
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results = Album.objects.none()
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if query:
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results = Album.objects.filter(
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Q(is_public=True),
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Q(name__icontains=query) |
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Q(location__place__icontains=query) |
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Q(location__city__name__icontains=query)
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).order_by('-album_date').distinct()
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paginator = Paginator(results, 30)
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page_obj = paginator.get_page(self.request.GET.get('page'))
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# Canonical URL
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canonical_url = build_canonical_url(
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self.request,
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reverse('gallery:search_url'),
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params={'page': page_obj.number, 'q': query}
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)
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context.update({
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'results': page_obj.object_list,
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'page_obj': page_obj,
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'paginator': paginator,
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'is_paginated': page_obj.has_other_pages(),
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'canonical_url': canonical_url
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})
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return context
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